/// <summary>
/// Perform necessary actions to shut down the node.
/// </summary>
private NodeEngineShutdownReason HandleShutdown(out Exception exception)
{
if (_debugCommunications)
{
using (StreamWriter writer = File.CreateText(String.Format(CultureInfo.CurrentCulture, Path.Combine(Path.GetTempPath(), @"MSBuild_NodeShutdown_{0}.txt"), Process.GetCurrentProcess().Id)))
{
writer.WriteLine("Node shutting down with reason {0} and exception: {1}", _shutdownReason, _shutdownException);
}
}
// Clean up the engine
if (null != _buildRequestEngine && _buildRequestEngine.Status != BuildRequestEngineStatus.Uninitialized)
{
_buildRequestEngine.CleanupForBuild();
if (_shutdownReason == NodeEngineShutdownReason.BuildCompleteReuse)
{
((IBuildComponent)_buildRequestEngine).ShutdownComponent();
}
}
// Dispose of any build registered objects
IRegisteredTaskObjectCache objectCache = (IRegisteredTaskObjectCache)(_componentFactories.GetComponent(BuildComponentType.RegisteredTaskObjectCache));
objectCache.DisposeCacheObjects(RegisteredTaskObjectLifetime.Build);
if (_shutdownReason != NodeEngineShutdownReason.BuildCompleteReuse)
{
// Dispose of any node registered objects.
((IBuildComponent)objectCache).ShutdownComponent();
}
// Shutdown any Out Of Proc Nodes Created
_taskHostNodeManager.ShutdownConnectedNodes(_shutdownReason == NodeEngineShutdownReason.BuildCompleteReuse);
#if FEATURE_ENVIRONMENT_SYSTEMDIRECTORY
// Restore the original current directory.
NativeMethodsShared.SetCurrentDirectory(Environment.SystemDirectory);
#endif
// Restore the original environment.
// If the node was never configured, this will be null.
if (_savedEnvironment != null)
{
foreach (KeyValuePair <string, string> entry in CommunicationsUtilities.GetEnvironmentVariables())
{
if (!_savedEnvironment.ContainsKey(entry.Key))
{
Environment.SetEnvironmentVariable(entry.Key, null);
}
}
foreach (KeyValuePair <string, string> entry in _savedEnvironment)
{
Environment.SetEnvironmentVariable(entry.Key, entry.Value);
}
}
try
{
// Shut down logging, which will cause all queued logging messages to be sent.
if (null != _loggingContext && null != _loggingService)
{
_loggingContext.LogBuildFinished(true);
((IBuildComponent)_loggingService).ShutdownComponent();
}
}
finally
{
// Shut down logging, which will cause all queued logging messages to be sent.
if (null != _loggingContext && null != _loggingService)
{
_loggingContext.LoggingService.OnLoggingThreadException -= new LoggingExceptionDelegate(OnLoggingThreadException);
_loggingContext = null;
}
exception = _shutdownException;
if (_nodeEndpoint.LinkStatus == LinkStatus.Active)
{
// Notify the BuildManager that we are done.
_nodeEndpoint.SendData(new NodeShutdown(_shutdownReason == NodeEngineShutdownReason.Error ? NodeShutdownReason.Error : NodeShutdownReason.Requested, exception));
// Flush all packets to the pipe and close it down. This blocks until the shutdown is complete.
_nodeEndpoint.OnLinkStatusChanged -= new LinkStatusChangedDelegate(OnLinkStatusChanged);
}
_nodeEndpoint.Disconnect();
CleanupCaches();
}
return(_shutdownReason);
}
/// <summary>
/// Handles the NodeConfiguration packet.
/// </summary>
private void HandleNodeConfiguration(NodeConfiguration configuration)
{
// Grab the system parameters.
_buildParameters = configuration.BuildParameters;
_buildParameters.ProjectRootElementCache = s_projectRootElementCache;
// Snapshot the current environment
_savedEnvironment = CommunicationsUtilities.GetEnvironmentVariables();
// Change to the startup directory
try
{
NativeMethodsShared.SetCurrentDirectory(BuildParameters.StartupDirectory);
}
catch (DirectoryNotFoundException)
{
#if FEATURE_ENVIRONMENT_SYSTEMDIRECTORY
// Somehow the startup directory vanished. This can happen if build was started from a USB Key and it was removed.
NativeMethodsShared.SetCurrentDirectory(Environment.SystemDirectory);
#endif
}
// Replicate the environment. First, unset any environment variables set by the previous configuration.
if (_currentConfiguration != null)
{
foreach (string key in _currentConfiguration.BuildParameters.BuildProcessEnvironment.Keys)
{
Environment.SetEnvironmentVariable(key, null);
}
}
// Now set the new environment
foreach (KeyValuePair <string, string> environmentPair in _buildParameters.BuildProcessEnvironment)
{
Environment.SetEnvironmentVariable(environmentPair.Key, environmentPair.Value);
}
// We want to make sure the global project collection has the toolsets which were defined on the parent
// so that any custom toolsets defined can be picked up by tasks who may use the global project collection but are
// executed on the child node.
ICollection <Toolset> parentToolSets = _buildParameters.ToolsetProvider.Toolsets;
if (parentToolSets != null)
{
ProjectCollection.GlobalProjectCollection.RemoveAllToolsets();
foreach (Toolset toolSet in parentToolSets)
{
ProjectCollection.GlobalProjectCollection.AddToolset(toolSet);
}
}
// Set the culture.
#if FEATURE_CULTUREINFO_SETTERS
CultureInfo.CurrentCulture = _buildParameters.Culture;
CultureInfo.CurrentUICulture = _buildParameters.UICulture;
#else
Thread.CurrentThread.CurrentCulture = _buildParameters.Culture;
Thread.CurrentThread.CurrentUICulture = _buildParameters.UICulture;
#endif
// Get the node ID.
_buildParameters.NodeId = configuration.NodeId;
_buildParameters.IsOutOfProc = true;
#if FEATURE_APPDOMAIN
// And the AppDomainSetup
_buildParameters.AppDomainSetup = configuration.AppDomainSetup;
#endif
// Set up the logging service.
LoggingServiceFactory loggingServiceFactory = new LoggingServiceFactory(LoggerMode.Asynchronous, configuration.NodeId);
_componentFactories.ReplaceFactory(BuildComponentType.LoggingService, loggingServiceFactory.CreateInstance);
_loggingService = _componentFactories.GetComponent(BuildComponentType.LoggingService) as ILoggingService;
BuildEventArgTransportSink sink = new BuildEventArgTransportSink(SendLoggingPacket);
_shutdownException = null;
try
{
// If there are no node loggers to initialize dont do anything
if (configuration.LoggerDescriptions != null && configuration.LoggerDescriptions.Length > 0)
{
_loggingService.InitializeNodeLoggers(configuration.LoggerDescriptions, sink, configuration.NodeId);
}
}
catch (Exception ex)
{
if (ExceptionHandling.IsCriticalException(ex))
{
throw;
}
OnEngineException(ex);
}
_loggingService.OnLoggingThreadException += new LoggingExceptionDelegate(OnLoggingThreadException);
string forwardPropertiesFromChild = Environment.GetEnvironmentVariable("MSBUILDFORWARDPROPERTIESFROMCHILD");
string[] propertyListToSerialize = null;
// Get a list of properties which should be serialized
if (!String.IsNullOrEmpty(forwardPropertiesFromChild))
{
propertyListToSerialize = forwardPropertiesFromChild.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
}
_loggingService.PropertiesToSerialize = propertyListToSerialize;
_loggingService.RunningOnRemoteNode = true;
string forwardAllProperties = Environment.GetEnvironmentVariable("MSBUILDFORWARDALLPROPERTIESFROMCHILD");
if (String.Equals(forwardAllProperties, "1", StringComparison.OrdinalIgnoreCase) || _buildParameters.LogInitialPropertiesAndItems)
{
_loggingService.SerializeAllProperties = true;
}
else
{
_loggingService.SerializeAllProperties = false;
}
// Now prep the buildRequestEngine for the build.
_loggingContext = new NodeLoggingContext(_loggingService, configuration.NodeId, false /* inProcNode */);
if (_shutdownException != null)
{
Exception exception;
HandleShutdown(out exception);
throw exception;
}
_buildRequestEngine.InitializeForBuild(_loggingContext);
// Finally store off this configuration packet.
_currentConfiguration = configuration;
}
public bool DirectoryExists(string path)
{
return(NativeMethodsShared.DirectoryExists(path));
}
public bool FileExists(string path)
{
return(NativeMethodsShared.FileExists(path));
}
private void SimpleSymlinkInputCheck(DateTime symlinkWriteTime, DateTime targetWriteTime,
DateTime outputWriteTime, bool expectedOutOfDate)
{
var inputs = new List <string>();
var outputs = new List <string>();
string inputTarget = "NONEXISTENT_FILE";
string inputSymlink = "NONEXISTENT_FILE";
string outputTarget = "NONEXISTENT_FILE";
try
{
inputTarget = FileUtilities.GetTemporaryFile();
_testOutputHelper.WriteLine($"Created input file {inputTarget}");
File.SetLastWriteTime(inputTarget, targetWriteTime);
inputSymlink = FileUtilities.GetTemporaryFile(null, ".linkin", createFile: false);
if (!CreateSymbolicLink(inputSymlink, inputTarget, 0))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
// File.SetLastWriteTime on the symlink sets the target write time,
// so set the symlink's write time the hard way
using (SafeFileHandle handle =
NativeMethodsShared.CreateFile(
inputSymlink, NativeMethodsShared.GENERIC_READ | 0x100 /* FILE_WRITE_ATTRIBUTES */,
NativeMethodsShared.FILE_SHARE_READ, IntPtr.Zero, NativeMethodsShared.OPEN_EXISTING,
NativeMethodsShared.FILE_ATTRIBUTE_NORMAL | NativeMethodsShared.FILE_FLAG_OPEN_REPARSE_POINT,
IntPtr.Zero))
{
if (handle.IsInvalid)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
long symlinkWriteTimeTicks = symlinkWriteTime.ToFileTimeUtc();
if (SetFileTime(handle, ref symlinkWriteTimeTicks, ref symlinkWriteTimeTicks,
ref symlinkWriteTimeTicks) != true)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
_testOutputHelper.WriteLine($"Created input link {inputSymlink}");
outputTarget = FileUtilities.GetTemporaryFile();
_testOutputHelper.WriteLine($"Created output file {outputTarget}");
File.SetLastWriteTime(outputTarget, outputWriteTime);
inputs.Add(inputSymlink);
outputs.Add(outputTarget);
DependencyAnalysisLogDetail detail;
Assert.Equal(expectedOutOfDate,
TargetUpToDateChecker.IsAnyOutOfDate(out detail, Directory.GetCurrentDirectory(), inputs, outputs));
}
finally
{
if (File.Exists(inputTarget))
{
File.Delete(inputTarget);
}
if (File.Exists(inputSymlink))
{
File.Delete(inputSymlink);
}
if (File.Exists(outputTarget))
{
File.Delete(outputTarget);
}
}
}
/// <summary>
/// Reads the settings for a specified tools version
/// </summary>
private Toolset ReadToolset
(
ToolsetPropertyDefinition toolsVersion,
PropertyDictionary <ProjectPropertyInstance> globalProperties,
PropertyDictionary <ProjectPropertyInstance> initialProperties,
bool accumulateProperties
)
{
// Initial properties is the set of properties we're going to use to expand property expressions like $(foo)
// in the values we read out of the registry or config file. We'll add to it as we pick up properties (including binpath)
// from the registry or config file, so that properties there can be referenced in values below them.
// After processing all the properties, we don't need initialProperties anymore.
string toolsPath = null;
string binPath = null;
PropertyDictionary <ProjectPropertyInstance> properties = new PropertyDictionary <ProjectPropertyInstance>();
IEnumerable <ToolsetPropertyDefinition> rawProperties = GetPropertyDefinitions(toolsVersion.Name);
Expander <ProjectPropertyInstance, ProjectItemInstance> expander = new Expander <ProjectPropertyInstance, ProjectItemInstance>(initialProperties);
foreach (ToolsetPropertyDefinition property in rawProperties)
{
EvaluateAndSetProperty(property, properties, globalProperties, initialProperties, accumulateProperties, ref toolsPath, ref binPath, ref expander);
}
Dictionary <string, SubToolset> subToolsets = new Dictionary <string, SubToolset>(StringComparer.OrdinalIgnoreCase);
IEnumerable <string> subToolsetVersions = GetSubToolsetVersions(toolsVersion.Name);
foreach (string subToolsetVersion in subToolsetVersions)
{
string subToolsetToolsPath = null;
string subToolsetBinPath = null;
IEnumerable <ToolsetPropertyDefinition> rawSubToolsetProperties = GetSubToolsetPropertyDefinitions(toolsVersion.Name, subToolsetVersion);
PropertyDictionary <ProjectPropertyInstance> subToolsetProperties = new PropertyDictionary <ProjectPropertyInstance>();
// If we have a sub-toolset, any values defined here will override the toolset properties.
foreach (ToolsetPropertyDefinition property in rawSubToolsetProperties)
{
EvaluateAndSetProperty(property, subToolsetProperties, globalProperties, initialProperties, false /* do not ever accumulate sub-toolset properties */, ref subToolsetToolsPath, ref subToolsetBinPath, ref expander);
}
if (subToolsetToolsPath != null || subToolsetBinPath != null)
{
InvalidToolsetDefinitionException.Throw("MSBuildToolsPathNotSupportedInSubToolsets", toolsVersion.Name, toolsVersion.Source.LocationString, subToolsetVersion);
}
subToolsets[subToolsetVersion] = new SubToolset(subToolsetVersion, subToolsetProperties);
}
// All tools versions must specify a value for MSBuildToolsPath (or MSBuildBinPath)
if (String.IsNullOrEmpty(toolsPath) && String.IsNullOrEmpty(binPath))
{
return(null);
}
// If both MSBuildBinPath and MSBuildToolsPath are present, they must be the same
if (toolsPath != null && binPath != null && !toolsPath.Equals(binPath, StringComparison.OrdinalIgnoreCase))
{
InvalidToolsetDefinitionException.Throw("ConflictingValuesOfMSBuildToolsPath", toolsVersion.Name, toolsVersion.Source.LocationString);
}
AppendStandardProperties(properties, globalProperties, toolsVersion.Name, null, toolsPath);
Toolset toolset = null;
try
{
var importSearchPathsTable = GetProjectImportSearchPathsTable(toolsVersion.Name, NativeMethodsShared.GetOSNameForExtensionsPath());
toolset = new Toolset(toolsVersion.Name, toolsPath == null ? binPath : toolsPath, properties, _environmentProperties, globalProperties, subToolsets, MSBuildOverrideTasksPath, DefaultOverrideToolsVersion, importSearchPathsTable);
}
catch (ArgumentException e)
{
InvalidToolsetDefinitionException.Throw("ErrorCreatingToolset", toolsVersion.Name, e.Message);
}
return(toolset);
}
/// <summary>
/// Perform necessary actions to shut down the node.
/// </summary>
private NodeEngineShutdownReason HandleShutdown(out Exception exception)
{
CommunicationsUtilities.Trace("Shutting down with reason: {0}, and exception: {1}.", _shutdownReason, _shutdownException);
// Clean up the engine
if (null != _buildRequestEngine && _buildRequestEngine.Status != BuildRequestEngineStatus.Uninitialized)
{
_buildRequestEngine.CleanupForBuild();
if (_shutdownReason == NodeEngineShutdownReason.BuildCompleteReuse)
{
((IBuildComponent)_buildRequestEngine).ShutdownComponent();
}
}
// Signal the SDK resolver service to shutdown
((IBuildComponent)_sdkResolverService).ShutdownComponent();
// Dispose of any build registered objects
IRegisteredTaskObjectCache objectCache = (IRegisteredTaskObjectCache)(_componentFactories.GetComponent(BuildComponentType.RegisteredTaskObjectCache));
objectCache.DisposeCacheObjects(RegisteredTaskObjectLifetime.Build);
if (_shutdownReason != NodeEngineShutdownReason.BuildCompleteReuse)
{
// Dispose of any node registered objects.
((IBuildComponent)objectCache).ShutdownComponent();
}
// Shutdown any Out Of Proc Nodes Created
_taskHostNodeManager.ShutdownConnectedNodes(_shutdownReason == NodeEngineShutdownReason.BuildCompleteReuse);
// On Windows, a process holds a handle to the current directory,
// so reset it away from a user-requested folder that may get deleted.
NativeMethodsShared.SetCurrentDirectory(BuildEnvironmentHelper.Instance.CurrentMSBuildToolsDirectory);
// Restore the original environment.
// If the node was never configured, this will be null.
if (_savedEnvironment != null)
{
foreach (KeyValuePair<string, string> entry in CommunicationsUtilities.GetEnvironmentVariables())
{
if (!_savedEnvironment.ContainsKey(entry.Key))
{
Environment.SetEnvironmentVariable(entry.Key, null);
}
}
foreach (KeyValuePair<string, string> entry in _savedEnvironment)
{
Environment.SetEnvironmentVariable(entry.Key, entry.Value);
}
}
try
{
// Shut down logging, which will cause all queued logging messages to be sent.
if (null != _loggingContext && null != _loggingService)
{
_loggingContext.LogBuildFinished(true);
((IBuildComponent)_loggingService).ShutdownComponent();
}
}
finally
{
// Shut down logging, which will cause all queued logging messages to be sent.
if (null != _loggingContext && null != _loggingService)
{
_loggingContext.LoggingService.OnLoggingThreadException -= OnLoggingThreadException;
_loggingContext = null;
}
exception = _shutdownException;
if (_nodeEndpoint.LinkStatus == LinkStatus.Active)
{
// Notify the BuildManager that we are done.
_nodeEndpoint.SendData(new NodeShutdown(_shutdownReason == NodeEngineShutdownReason.Error ? NodeShutdownReason.Error : NodeShutdownReason.Requested, exception));
// Flush all packets to the pipe and close it down. This blocks until the shutdown is complete.
_nodeEndpoint.OnLinkStatusChanged -= OnLinkStatusChanged;
}
_nodeEndpoint.Disconnect();
CleanupCaches();
}
CommunicationsUtilities.Trace("Shut down complete.");
return _shutdownReason;
}
/// <summary>
/// Creates a new MSBuild process
/// </summary>
private int LaunchNode(string msbuildLocation, string commandLineArgs)
{
// Should always have been set already.
ErrorUtilities.VerifyThrowInternalLength(msbuildLocation, "msbuildLocation");
if (!File.Exists(msbuildLocation))
{
throw new BuildAbortedException(ResourceUtilities.FormatResourceString("CouldNotFindMSBuildExe", msbuildLocation));
}
// Repeat the executable name as the first token of the command line because the command line
// parser logic expects it and will otherwise skip the first argument
commandLineArgs = msbuildLocation + " " + commandLineArgs;
BackendNativeMethods.STARTUP_INFO startInfo = new BackendNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf <BackendNativeMethods.STARTUP_INFO>();
// Null out the process handles so that the parent process does not wait for the child process
// to exit before it can exit.
uint creationFlags = 0;
if (Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
creationFlags = BackendNativeMethods.NORMALPRIORITYCLASS;
}
if (String.IsNullOrEmpty(Environment.GetEnvironmentVariable("MSBUILDNODEWINDOW")))
{
if (!Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
startInfo.hStdError = BackendNativeMethods.InvalidHandle;
startInfo.hStdInput = BackendNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackendNativeMethods.InvalidHandle;
startInfo.dwFlags = BackendNativeMethods.STARTFUSESTDHANDLES;
creationFlags = creationFlags | BackendNativeMethods.CREATENOWINDOW;
}
}
else
{
creationFlags = creationFlags | BackendNativeMethods.CREATE_NEW_CONSOLE;
}
BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
processSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
CommunicationsUtilities.Trace("Launching node from {0}", msbuildLocation);
string exeName = msbuildLocation;
#if RUNTIME_TYPE_NETCORE
// Run the child process with the same host as the currently-running process.
exeName = GetCurrentHost();
commandLineArgs = "\"" + msbuildLocation + "\" " + commandLineArgs;
#endif
if (!NativeMethodsShared.IsWindows)
{
ProcessStartInfo processStartInfo = new ProcessStartInfo();
processStartInfo.FileName = exeName;
processStartInfo.Arguments = commandLineArgs;
if (!Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
processStartInfo.CreateNoWindow = (creationFlags | BackendNativeMethods.CREATENOWINDOW) == BackendNativeMethods.CREATENOWINDOW;
}
processStartInfo.UseShellExecute = false;
Process process;
try
{
process = Process.Start(processStartInfo);
}
catch (Exception ex)
{
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. CommandLine: {1}" + Environment.NewLine + "{2}",
msbuildLocation,
commandLineArgs,
ex.ToString()
);
throw new NodeFailedToLaunchException(ex);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", process.Id);
return(process.Id);
}
else
{
#if RUNTIME_TYPE_NETCORE
if (NativeMethodsShared.IsWindows)
{
// Repeat the executable name in the args to suit CreateProcess
commandLineArgs = "\"" + exeName + "\" " + commandLineArgs;
}
#endif
BackendNativeMethods.PROCESS_INFORMATION processInfo = new BackendNativeMethods.PROCESS_INFORMATION();
bool result = BackendNativeMethods.CreateProcess
(
exeName,
commandLineArgs,
ref processSecurityAttributes,
ref threadSecurityAttributes,
#if FEATURE_NAMED_PIPES_FULL_DUPLEX
false,
#else
true, // Inherit handles for the anonymous pipes for IPC
#endif
creationFlags,
BackendNativeMethods.NullPtr,
null,
ref startInfo,
out processInfo
);
if (!result)
{
// Creating an instance of this exception calls GetLastWin32Error and also converts it to a user-friendly string.
System.ComponentModel.Win32Exception e = new System.ComponentModel.Win32Exception();
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. System32 Error code {1}. Description {2}. CommandLine: {2}",
msbuildLocation,
e.NativeErrorCode.ToString(CultureInfo.InvariantCulture),
e.Message,
commandLineArgs
);
throw new NodeFailedToLaunchException(e.NativeErrorCode.ToString(CultureInfo.InvariantCulture), e.Message);
}
int childProcessId = processInfo.dwProcessId;
if (processInfo.hProcess != IntPtr.Zero && processInfo.hProcess != NativeMethods.InvalidHandle)
{
NativeMethodsShared.CloseHandle(processInfo.hProcess);
}
if (processInfo.hThread != IntPtr.Zero && processInfo.hThread != NativeMethods.InvalidHandle)
{
NativeMethodsShared.CloseHandle(processInfo.hThread);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", childProcessId);
return(childProcessId);
}
}
/// <summary>
/// Executes the task.
/// </summary>
public bool Execute()
{
// log that we are about to spawn the task host
string runtime = _taskHostParameters[XMakeAttributes.runtime];
string architecture = _taskHostParameters[XMakeAttributes.architecture];
_taskLoggingContext.LogComment(MessageImportance.Low, "ExecutingTaskInTaskHost", _taskType.Type.Name, _taskType.Assembly.AssemblyLocation, runtime, architecture);
// set up the node
lock (_taskHostLock)
{
_taskHostProvider = (NodeProviderOutOfProcTaskHost)_buildComponentHost.GetComponent(BuildComponentType.OutOfProcTaskHostNodeProvider);
ErrorUtilities.VerifyThrowInternalNull(_taskHostProvider, "taskHostProvider");
}
TaskHostConfiguration hostConfiguration =
new TaskHostConfiguration
(
_buildComponentHost.BuildParameters.NodeId,
NativeMethodsShared.GetCurrentDirectory(),
CommunicationsUtilities.GetEnvironmentVariables(),
_buildComponentHost.BuildParameters.Culture,
_buildComponentHost.BuildParameters.UICulture,
#if FEATURE_APPDOMAIN
_appDomainSetup,
#endif
BuildEngine.LineNumberOfTaskNode,
BuildEngine.ColumnNumberOfTaskNode,
BuildEngine.ProjectFileOfTaskNode,
BuildEngine.ContinueOnError,
_taskType.Type.FullName,
AssemblyUtilities.GetAssemblyLocation(_taskType.Type.GetTypeInfo().Assembly),
_setParameters,
new Dictionary <string, string>(_buildComponentHost.BuildParameters.GlobalProperties)
);
try
{
lock (_taskHostLock)
{
_requiredContext = CommunicationsUtilities.GetTaskHostContext(_taskHostParameters);
_connectedToTaskHost = _taskHostProvider.AcquireAndSetUpHost(_requiredContext, this, this, hostConfiguration);
}
if (_connectedToTaskHost)
{
try
{
bool taskFinished = false;
while (!taskFinished)
{
_packetReceivedEvent.WaitOne();
INodePacket packet = null;
// Handle the packet that's coming in
while (_receivedPackets.TryDequeue(out packet))
{
if (packet != null)
{
HandlePacket(packet, out taskFinished);
}
}
}
}
finally
{
lock (_taskHostLock)
{
_taskHostProvider.DisconnectFromHost(_requiredContext);
_connectedToTaskHost = false;
}
}
}
else
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, null);
}
}
catch (BuildAbortedException)
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, null);
}
catch (NodeFailedToLaunchException e)
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, e);
}
return(_taskExecutionSucceeded);
}
